您要查找的是不是：
- oral esophageal stethoscope (经)口食道听诊器
- The stethoscope is a medical instrument. 听诊器是一种医疗器械。
- I take it you know what a stethoscope is. 我想你知道听诊器是个什么东西。
- He will take an oral examination. 他将接受口试。
- My oral English is pretty rusty. 我的英语口语全荒废了。
- esophageal stethoscope 食管听诊器
- Tongue twisters are used in our oral practice. 我们在口语练习中用饶口令。
- The oral opening in an earthworm is small. 蚯蚓的口是很小的。
- The doctor prescribed an oral dose of medicine. 医生开了一剂口服药。
- oral esophageal tube (经)口食管导管
- The physician was aided by the stethoscope. 这医生有听诊器的帮助。
- The class is chopped up into small groups for oral drill. 为进行口语训练，班级分成为几个小组。
- The old man told us a story passed on by oral tradition. 老人给我们讲述了一个口头流传的故事。
- An oral thermometer; an oral vaccine. 口用体温计; 口服菌苗
- I'll get my stethoscope and listen to your lung. 我要用听诊器听你肺部。
- A new-type stethoscope has yet to be invented. 新型的听诊器有待发明。
- I 'll get my stethoscope and listen to your lung . 我要用听诊器听你肺部。
- She snatched at every chance to practice her oral English. 她把握一切机会练习英语口语。
- An oral agreement is not enough; we must have a written promise. 只有口头协议是不够的; 我们必须有一个书面承诺。
- The physician was aidedby the stethoscope. 这医生有听诊器的帮助。
